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AFE4404

Part Number	AFE4404
Manufacturer	Texas Instruments
Description	Ultra-Small Integrated AFE
Published	Nov 9, 2019
Detailed Description	Product Folder Sample & Buy Technical Documents Tools & Software Support & Community AFE4404 SBAS689D – JUNE 2015 –...
Datasheet	AFE4404 PDF File

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community AFE4404 SBAS689D – JUNE 2015 – REVISED DECEMBER 2016 AFE4404 Ultra-Small, Integrated AFE for Wearable, Optical, Heart-Rate Monitoring and Bio-Sensing 1 Features •1 Transmitter: – Supports Common Anode LED Configuration – Dynamic Range: 100 dB – 6-Bit Programmable LED Current to 50 mA (Extendable to 100 mA) – Programmable LED On-Time – Simultaneous Support of 3 LEDs for Optimized SpO2, HRM, or Multi-Wavelength HRM • Receiver: – 24-Bit Representation of the Current Input from a Photodiode in Twos Complement Format – Individual DC Offset Subtraction DAC at TIA Input for Each LED and Ambient Phase – Digita...

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